S-94705A789 1"-8 x 2 3/4" ASTM A193 Steel Heavy Hex Head Screws for High-Pressure Applications
Steel Heavy Hex Head Screws for High-Pressure Applications
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Basic Information
Head Parameters
Dimensions
Thread Parameters
Tip & Drive Parameters
Material & Strength
Temperature & Environment
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Key Features & Benefits at a Glance
- Exceptional tensile strength of 125,000 PSI ensures reliable performance in high-stress applications, reducing the risk of fastener failure.
- ASTM Grade B7 steel construction provides superior durability and resistance to heavy loads, ideal for demanding industrial environments.
- Rockwell C35 hardness offers excellent wear resistance, extending the fastener's service life under repetitive use.
- Fully threaded UNC coarse design allows for faster installation and secure gripping in a wide range of materials.
- Class 2A thread fit ensures consistent, easy assembly while maintaining precise tolerances for reliable connections.
- External hex drive and hex head facilitate straightforward tightening with standard tools, saving time during maintenance or assembly.
- Compliance with ASTM A193 specifications guarantees that the screw meets rigorous industry standards for quality and safety.
Professional Applications & Engineering Value
This 1"-8 UNC Grade B7 steel hex head screw is engineered to address critical challenges in heavy-duty industrial settings, such as pressure vessels, structural assemblies, and machinery requiring high tensile strength and durability. The fully threaded coarse UNC design enables quick, secure fastening in materials where vibration resistance is essential, minimizing loosening over time. Made from ASTM Grade B7 steel with a Rockwell C35 hardness, it withstands extreme temperatures and mechanical stress, reducing maintenance needs and downtime. Its external hex drive allows for efficient installation with common tools, making it a reliable choice for engineers and procurement specialists seeking long-term performance in applications like construction, oil and gas, and manufacturing.
Specification Summary & Compliance
This fastener features precise Class 2A thread fit and adheres to UNC coarse thread standards, ensuring dimensional accuracy for consistent performance. It complies with ASTM A193 specifications for material and manufacturing quality, and meets industry requirements for high-strength applications. The screw is designed with a right-hand thread direction and fully threaded profile, providing reliable fastening in accordance with established engineering norms.
